McDonald's shares dropped in extended trading Tuesday after the Centers for Disease Control and Prevention said an E. coli outbreak linked to McDonald's Quarter Pounder burgers has led to 10 hospitalizations and one death. The agency said 49 cases have been reported in 10 states from Sept. 27 to Oct. 11, with most of the illnesses in Colorado and Nebraska. "Most" sick people reported eating a McDonald's Quarter Pounder, the CDC added. One of the patients developed hemolytic uremic syndrome, which is a serious condition that can cause kidney failure. An older adult in Colorado died. McDonald's shares dropped about...